Re: Programmatic access to interval units

On Mon, Dec 1, 2014 at 10:42 AM, Nelson Green <nelsongreen84(at)gmail(dot)com> wrote:
> Good morning list,
>
> According to the documentation for interval data type inputs, the unit can
> be one of microsecond, millisecond, second, minute, hour, day, week, month,
> year, decade, century, or millennium. Are these units stored in a catalog
> somewhere? I would like to access them programmatically if possible, to
> validate input for a function I am developing.

if you're writing C, you can use libpqtypes to do this. It exposes the
interval as a C structure.

typedef struct
{
int years;
int mons;
int days;
int hours;
int mins;
int secs;
int usecs;
} PGinterval;

merlin